The term fundamental quantity is identified in base64 scheme by the sequence ZnVuZGFtZW50YWwgcXVhbnRpdHk=, while the MD5 signature is equal to 5bf5f8f3e7708f926484b85ea8adc432. The ASCII encoding of fundamental quantity in hexadecimal notation is 66756e64616d656e74616c207175616e74697479.